Which statement best describes the movement produced by cone-shaped rollers?

• A. Strong curvature movement
• B. Even distribution of curl
• C. No movement
• D. Hair collapse

Answer: (A)

Cone-shaped rollers create movement by having a changing diameter along the roller. As the hair wraps around the smaller portion, it is pulled into a tighter bend, while the wider part allows a looser wrap. This combination forces the hair to curve more sharply as it sets, producing a strong curvature movement. The same hair set with a uniform-diameter roller would yield a more even or softer curl, not the pronounced bend you get with cones. Hair collapse would be a sign of technique or product issues, not the typical effect of cone-shaped rollers.